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Finding the Fourth Proportional to 153,851.88, 230,880.90 and 54,012.37

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Solution

The fourth proportional to 153,851.88, 230,880.90 and 54,012.37 is: 81,054.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,851.88 : 230,880.90 = 54,012.37 : x
  2. Step 2: Convert to fraction form
    153,851.88/230,880.90 = 54,012.37/x
  3. Step 3: Cross multiply
    153,851.88x = 230,880.90 × 54,012.37
  4. Step 4: Simplify right side
    153,851.88x = 12,470,423,586.63
  5. Step 5: Solve for x
    x = 12,470,423,586.63/153,851.88
  6. Step 6: Final answer
    x = 81,054.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.